van Ostade (Adriaen Jansz) Four etchings , including: Man and woman conversing , laid paper, laid down along right-hand side, plate 97 x 80mm, sheet 112 x 95mm, [Hollstein V/V; Bartsch 12] , c.1675; Laughing Peasant , laid paper, with engraved borderline and monogram, trimmed to plate, 30 x 35mm, [Hollstein iii/iv; Bartsch 1], c.1636; Les Fumeurs , Japan paper, trimmed, laid down in right corners, sheet 85 x 68mm, [Hollstein VI/VI; Bartsch 13] , c.1650; The Barn , laid paper with bunch of grapes watermark, trimmed to plate, 156 x 191mm, [Hollstein X/X; Bartsch 23], 1647 (4)